These labels are destroyed in an attempt to remove, tamper-proof electronic sector guarantee etc.The safety seals are printed on an adhesive pvc ultradistruttibile material, join immediately as soon as you place on any surface, are easy to apply as a common adhesive also on flat surfaces, curves, convex and concave.The seals are tamper and made so ultradistruttibile material, as you ruinand break down irretrievably in an attempt to be removed.These seals are then used on all products that are under warranty and are placed to certify a possible attempt at tampering by the customer.Are widely used by all service and repair centers and outlets of any electronic equipment, telephone, computer science, mechanics, and any other type of use.Each adhesive is water resistant.